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LunaMemo: Shared AI Memory
One private memory for all your AI assistants
Lunamemo gives Claude and ChatGPT one shared, private memory. Mention your marathon in Claude on Monday, and ChatGPT can design a training on Friday. Connect both in a minute, then see, edit or delete every note. Stored in the EU, never sold, free.
Hey Product Hunt 👋
I'm Robin, and I built Lunamemo because I use Claude and ChatGPT every day, and neither knows what I told the other. Every new chat meant explaining my projects, my preferences and my plans again.
What it does:
Lunamemo is one memory that both assistants share. Tell Claude something on Monday, and ChatGPT can use it on Friday. Connect several ChatGPT and Claude accounts and they all share one memory.
How it works:
Lunamemo is a remote MCP server. You add it once as a custom connector in Claude and in ChatGPT and sign in with Google. From then on the assistant checks your memory at the start of a chat and saves lasting facts as you talk ("I'm vegetarian", "we launch in March", "my sister lives in Lyon").
A few details I cared about:
• Notes, not a log. Each memory is one short fact. Repeats are ignored, rewordings update the existing note, and contradictions are flagged so the assistant can fix them.
• Temporary facts expire. "I'm in Lisbon until Friday" disappears after Friday.
• You stay in control. A dashboard shows every memory. Edit, delete, export, or erase your whole account.
• Private by design. Stored in the EU under the GDPR. No ads, no tracking, no training on your data. Passwords and card numbers are refused.
It's free right now. I'd love your feedback, especially: what would you want your assistants to always remember about you?
About LunaMemo: Shared AI Memory on Product Hunt
“One private memory for all your AI assistants”
LunaMemo: Shared AI Memory was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #153 on the daily leaderboard. Lunamemo gives Claude and ChatGPT one shared, private memory. Mention your marathon in Claude on Monday, and ChatGPT can design a training on Friday. Connect both in a minute, then see, edit or delete every note. Stored in the EU, never sold, free.
On the analytics side, LunaMemo: Shared AI Memory competes within Productivity, Privacy and Artificial Intelligence — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how LunaMemo: Shared AI Memory performed against the three products that launched closest to it on the same day.
Who hunted LunaMemo: Shared AI Memory?
LunaMemo: Shared AI Memory was hunted by Robin Foss. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of LunaMemo: Shared AI Memory including community comment highlights and product details, visit the product overview.
Robin Foss